Surf Forecasts:
How big are the waves at Moonstone Beach today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 3.5ft (1.1m), 9s period with NW swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 3.5ft (1.1m), 8s period with NW swell.
- Evening surf: Evening surf (21 Oct, local time) - 2ft (0.6m), 15s period with SW swell.
The current surf forecast for Moonstone Beach at 8AM is: 1.1m 9s primary swell from a Northwest direction and 0.8m 12s secondary swell from a West direction (forecast issued at 04:00am October 21). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (PDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 3.5ft (1.1m) | 9s |
| Afternoon (21 Oct) | 3.5ft (1.1m) | 8s |
| Evening (21 Oct) | 2ft (0.6m) | 15s |
Table - waves today at Moonstone Beach. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Very mild (max 17°C on Wed afternoon, min 8°C on Fri morning). Winds increasing (calm on Wed night, fresh winds from the NNW by Fri afternoon). | ||||||||||||||||||||||||
Wednesday 21 | Thursday 22 | Friday 23 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | SW 15 | SW 15 | SW 16 | NW 7 | NW 7 | NW 7 | WNW 12 | WNW 11 | WNW 11 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 | NW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 392 | 360 | 203 | 174 | 177 | 171 | 178 | 198 | 147 | 203 | 198 | 283 | 243 | 239 | 435 | 558 | 1104 | 1401 | 1366 | 1088 | 827 | 1486 | 1628 | 1215 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | glassy | glassy | glassy | glassy | glassy | cross-off | cross | cross-off | cross-on | on | cross-on | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross-off |
High Tide | 9:20AM1.69m | 8:52PM1.60m | 9:47AM1.82m | 9:48PM1.66m | 10:13AM1.96m | 10:40PM1.73m | ||||||||||||||||||
Low Tide | 2:33AM0.29m | 3:12PM0.75m | 3:14AM0.30m | 3:55PM0.52m | 3:51AM0.35m | 4:35PM0.27m | ||||||||||||||||||
 |  |  |  | | | | |  | | | |  | | | | | | | | | | | | |
 | — | 7:33 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — | — | 7:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 12 | 14 | 14 | 16 | 17 | 15 | 13 | 12 | 11 | 11 | 11 | 13 | 15 | 13 | 11 | 11 | 10 | 10 | 8 | 12 | 14 | 13 | 10 | 9 |
Feels °C | 10 | 12 | 12 | 15 | 16 | 14 | 12 | 12 | 10 | 9 | 9 | 11 | 14 | 10 | 10 | 9 | 7 | 6 | 4 | 7 | 6 | 6 | 6 | 6 |
Swell 1 Height (m) Direction Period (s) | NW 10 | NW 9 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | NW 7 | WNW 11 | NW 8 | NW 8 | NW 9 | NW 9 | NW 9 | NW 9 | WNW 10 | SW 17 | NW 9 | NW 9 |
| kJ | 392 | 360 | 203 | 172 | 168 | 145 | 123 | 121 | 147 | 203 | 198 | 156 | 174 | 239 | 435 | 558 | 1104 | 1401 | 1366 | 1088 | 265 | 97 | 1628 | 1215 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | SW 15 | W 12 | W 12 | W 12 | WNW 12 | WNW 12 | WNW 11 | WNW 11 | W 11 | WNW 13 | WNW 12 | WNW 11 | SW 15 | WNW 10 | WNW 10 | SW 14 | SW 18 | SW 18 | SW 17 | SW 17 | SW 13 | SW 16 | SW 16 |
| kJ | 129 | 171 | 174 | 174 | 177 | 145 | 142 | 97 | 91 | 59 | 120 | 283 | 243 | 109 | 216 | 394 | 53 | 81 | 80 | 148 | 104 | 28 | 94 | 93 |
Swell 3 Height (m) Direction Period (s) | SW 15 | W 12 | SW 14 | SSW 14 | SSW 14 | SW 15 | SW 15 | SW 16 | SW 16 | WNW 14 | SW 14 | SW 16 | SW 15 | SSW 20 | SW 15 | SSW 14 | SW 18 | SW 14 | SW 14 | — | SSW 13 | — | SSW 13 | SSW 13 |
| kJ | 171 | 78 | 169 | 140 | 140 | 171 | 178 | 198 | 132 | 73 | 92 | 151 | 145 | 37 | 106 | 81 | 82 | 51 | 50 | — | 18 | — | 17 | 17 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | NW 7 | — | — | — | — | — | — | NW 9 | NW 9 | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | 212 | — | — | — | — | — | — | 827 | 1486 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 14 | 13 | 83 | 25 | 113 | 113 | 42 | 25 | 113 | 488 | 488 | 42 | 0 |
Best forecast wave conditions in Humboldt County | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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